CN109442775A - A kind of vortex water cooled chiller - Google Patents
A kind of vortex water cooled chiller Download PDFInfo
- Publication number
- CN109442775A CN109442775A CN201811127533.0A CN201811127533A CN109442775A CN 109442775 A CN109442775 A CN 109442775A CN 201811127533 A CN201811127533 A CN 201811127533A CN 109442775 A CN109442775 A CN 109442775A
- Authority
- CN
- China
- Prior art keywords
- condenser
- evaporator
- scroll compressor
- expansion valve
- liquid outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
Abstract
The present invention relates to refrigerating machine fields, specifically disclose a kind of vortex water cooled chiller comprising scroll compressor, condenser, expansion valve, evaporator and the electric cabinet that at least two groups are arranged in parallel, and closed circuit is formed by piping connection；Evaporator has the first inlet and the first liquid outlet, and the first inlet is suitable for being connected with the water outlet of equipment is used, and the first liquid outlet is suitable for being connected with the water inlet of equipment is used；Condenser has the second inlet and the second liquid outlet, and the second inlet is suitable for being connected by water circulating pump with the water outlet of cooling tower, and the second liquid outlet is suitable for being connected by water circulating pump with the water inlet of cooling tower；The flow sensor to detect the first liquid outlet fluid flow is provided at first liquid outlet, if the flow value that flow sensor detects is less than or equal to metered flow value, electric cabinet controls scroll compressor part and closes.The present invention can save energy consumption, and improve water cooler reliability of operation.
Description
Technical field
The present invention relates to refrigerating machine technical fields, more particularly to a kind of vortex water cooled chiller.
Background technique
With the continuous development of China's industry, a large amount of refrigerating/cooling system, refrigerating/cooling system are needed in industry manufacture
In most important core component be exactly water cooler, water cooler includes vortex cooling-water machine according to the difference of type of compressor
Group comprising four compressor, evaporator, condenser, expansion valve chief components, to realize the effect of unit cooling and warming
Fruit.
The vortex water cooler of refrigeration industry has the following problems at present: often selecting temperature higher when (1) designing
Foundation of the season as design, to design the load of water cooler, and still maintains the load of high temperature season in cold operation
Operation, causes energy dissipation, and reduce reliability of operation；(2) refrigerating speed is slow, and cooling time is too long, makes compressor
It can not unload for a long time, shorten compressor service life；(3) it is difficult, easy often to will appear oil return difficulty, oil balance for parallel system
Oil return causes the reasons such as compressor liquid hammer loss difficulty.
Summary of the invention
In order to solve the problems in above-mentioned background technique, the object of the present invention is to provide a kind of vortex water cooling cooling-water machines
Group can save energy consumption, and improve water cooler reliability of operation.
Based on this, the present invention provides a kind of vortex water cooled chillers, comprising: the vortex that at least two groups are arranged in parallel
Formula compressor, condenser, expansion valve, evaporator and electric cabinet；The scroll compressor, the condenser, the expansion
Valve and the evaporator are formed by piping connection is closed series loop；Pressure gauge is provided on the electric cabinet；The pipeline
It is inside provided with refrigerant, the refrigerant is suitable for recycling in closure series loop；The evaporator have the first inlet, with
And first liquid outlet, first inlet are suitable for being connected with the water outlet of equipment is used, first liquid outlet suitable for and make
It is connected with the water inlet of equipment；The condenser has the second inlet and the second liquid outlet, and second inlet is suitable for
It is connected by water circulating pump with the water outlet of cooling tower, second liquid outlet is suitable for through the water circulating pump and cooling tower
Water inlet is connected；The flow sensor to detect the first liquid outlet fluid flow is provided at first liquid outlet,
If the flow value that the flow sensor detects is less than or equal to metered flow value, the electric cabinet controls the vortex
Compressor section is closed.
Preferably, the vortex water cooled chiller further include be set to the condenser and the expansion valve it
Between filter, the scroll compressor, the condenser, the filter, the expansion valve are connected with the evaporator
Form closure series loop.
Preferably, gas-liquid separator, the whirlpool are provided between the scroll compressor and the evaporator
Rotary compressor, the condenser, the filter, the expansion valve, the evaporator connect shape with the gas-liquid separator
At closure series loop.
Preferably, oil eliminator, the vortex are equipped between the scroll compressor and the condenser
Compressor, the oil eliminator, the condenser, the filter, the expansion valve, the evaporator and the gas-liquid separation
Device connects to form closure series loop.
Preferably, fuel level sensor, the lower end of the oil eliminator are installed on each scroll compressor
It is connected with oil-collecting packet, the oil-collecting is wrapped equipped with oil-feed port, and the oil-feed port passes through oil feed line and the scroll compressor
Suction end connection, and be connected on the oil feed line for solenoid, it is the fuel level sensor, described for electromagnetic oil
Valve is controlled by the control system in the electric cabinet.
Preferably, the filter and the expansion valve are equipped at least two and quantity corresponds.
Preferably, the condenser lower end is set to chassis, and the upper end of condenser is equipped with bracket, the evaporator
On the bracket, the electric cabinet is set to the upper end of evaporator.
Preferably, the condenser is shell and tube condenser or finned cooler；The evaporator is shell
Tubular evaparator.
Preferably, the expansion valve is heating power expansion valve or electric expansion valve.
Compared to the prior art, the beneficial effects of the present invention are:
Vortex water cooled chiller of the invention is provided with the scroll compressor that at least two groups are arranged in parallel, then
Wherein, one or a few compressors go wrong, and when needing maintenance down, remaining compressor still can continue
Work, that is, improve the reliability of vortex water cooled chiller of the present invention, be so also avoided that factory stops work completely, protects
Demonstrate,prove the continuity of production.Evaporator has the first inlet and the first liquid outlet, and setting is useful at the first liquid outlet
To detect the flow sensor of the first liquid outlet fluid flow, if the flow value that flow sensor detects is less than or equal to specified
Flow value, then electric cabinet control scroll compressor part is closed, i.e., in this way, can allow cooling-water machine of the invention
Group is operated according to actual load condition, because in the case where load is big, it must from the amount of the discharge liquid of the first liquid outlet
Need it is sufficiently large could meet demand can phase from the amount of the discharge liquid of the first liquid outlet and in the case where Smaller load
To less, so the size of actual load just can be known by the fluid flow of the first liquid outlet of detection, then in actual load
When becoming smaller, the flow value that flow sensor detects will be less than or equal to metered flow value, then at this time electric cabinet
To control the closing of scroll compressor part, to avoid the waste for causing energy.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of vortex water cooled chiller provided in an embodiment of the present invention；
Fig. 2 is the side view of Fig. 1；
The system structure diagram of Fig. 3 another vortex water cooled chiller provided in an embodiment of the present invention.
Wherein, 1, scroll compressor；2, condenser；21, chassis；22, bracket；23, the second inlet；24, second goes out
Liquid mouth；3, evaporator；31, the first inlet；32, the first liquid outlet；4, electric cabinet；41, pressure gauge；5, filter；6, it expands
Valve；7, gas-liquid separator；8, oil eliminator；81, oil-collecting packet；82, for solenoid；9, fuel level sensor.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "front", "rear", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom" "inner", "outside" is side based on the figure
Position or positional relationship, are merely for convenience of description of the present invention and simplification of the description, rather than the device or member of indication or suggestion meaning
Part must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.This
Outside, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
Referring to Figure 1 and shown in Fig. 2, it is schematically shown that vortex water cooled chiller of the invention comprising extremely
Few two groups of scroll compressor 1, condenser 2, expansion valve 6, evaporator 3 and electric cabinets 4 being arranged in parallel；Scroll compressor
1, condenser 2, expansion valve 6 and evaporator 3 form closure series loop by piping connection；Pressure gauge is provided on electric cabinet 4
41.Refrigerant is provided in pipeline, refrigerant is suitable for recycling in closure series loop；Evaporator 3 have the first inlet 31,
And first liquid outlet 32, the first inlet 31 are suitable for being connected with the water outlet of equipment is used, the first liquid outlet 32 suitable for and make
It is connected with the water inlet of equipment；Condenser 2 has the second inlet 23 and the second liquid outlet 24, and the second inlet 23 is suitable for
It is connected by water circulating pump with the water outlet of cooling tower, the second liquid outlet 24 is suitable for the water inlet by water circulating pump and cooling tower
It is connected；The flow sensor to detect 32 fluid flow of the first liquid outlet is provided at first liquid outlet 32, if flow sensing
The flow value that device detects is less than or equal to metered flow value, then electric cabinet 4 controls 1 part of scroll compressor and closes.
Vortex water cooled chiller based on above-mentioned technical characteristic, the vortex being arranged in parallel by being provided at least two groups
Formula compressor 1, then one or a few compressors go wrong wherein, when needing maintenance down, remaining compression
Machine still can work on, that is, improve the reliability of vortex water cooled chiller of the present invention, be so also avoided that
Factory stops work completely, guarantees the continuity of production.Evaporator 3 have the first inlet 31 and the first liquid outlet 32, and
The flow sensor to detect 32 fluid flow of the first liquid outlet is provided at first liquid outlet 32, if flow sensor detects
The flow value arrived is less than or equal to metered flow value, then electric cabinet 4 controls 1 part of scroll compressor and closes, i.e., in this way
Mode, water cooler of the invention can be allowed to be operated according to actual load condition because in the case where load is big, from
The amount of the discharge liquid of first liquid outlet 32 has to sufficiently large ability meet demand, and in the case where Smaller load, from first
The amount of the discharge liquid of liquid outlet 32 can be relatively fewer, so just can be known by the fluid flow of the first liquid outlet 32 of detection
The size for knowing actual load, then the flow value that flow sensor detects will be less than or equal to when actual load becomes smaller
Metered flow value, then at this time electric cabinet 4 can control the closing of 1 part of scroll compressor, to avoid energy is caused
Waste.Specifically, condenser 2 is shell and tube condenser 2 or finned cooler 2, and evaporator 3 is shell and tube evaporator 3, swollen
Swollen valve 6 can use heating power expansion valve 6 or electric expansion valve 6.
In addition, air inevitably has moisture and enters refrigerant in examination and repair system, if containing moisture in refrigerant, work as refrigeration
When agent passes through expansion valve 6, moisture will be frozen into ice because of the decline of pressure and temperature, make pipe blocking, influence vortex water cooling
The normal operation of water cooler, so in order to avoid this kind of situation, the present invention is preferably in condenser 2 and expansion valve 6
Between be provided with filter 5, thus, scroll compressor 1, condenser 2, filter 5, expansion valve 6 and evaporator 3 connection formed
It is closed series loop, filter 5 prevents moisture in water cooler refrigeration cycle and pollutant enters, and primarily serves dry, mistake
Filter the effect of refrigerant.Preferably, filter 5 and expansion valve 6 are equipped at least two and quantity corresponds.
Specifically, as depicted in figs. 1 and 2,2 lower end of condenser is set to chassis 21, and 2 upper end of condenser is equipped with bracket 22, steams
It sends out device 3 to be set on bracket 22, electric cabinet 4 is set to the upper end of evaporator 3, in the present embodiment, as shown in Figure 1, two groups of vortexes
Compressor 1 is respectively arranged on the two sides of electric cabinet 4, and scroll compressor 1 is detachably connected with evaporator 3.
As preferred embodiment, as shown in figure 3, being provided with gas-liquid separation between scroll compressor 1 and evaporator 3
Device 7, so that scroll compressor 1, condenser 2, filter 5, expansion valve 6, evaporator 3 and the connection of gas-liquid separator 7 are formed and closed
Close series loop.The gas-liquid separator 7 can separate unevaporated liquid refrigerant with the gas refrigerant evaporated,
Ensure that into compressor be entirely gas.
Preferably, as shown in figure 3, oil eliminator 8 is equipped between scroll compressor 1 and condenser 2, thus vortex pressure
Contracting machine 1, oil eliminator 8, condenser 2, filter 5, expansion valve 6, evaporator 3 and the connection of gas-liquid separator 7 form closure series connection
Circuit.The oil eliminator 8 is used to separate the lubricating oil in high steam that scroll compressor 1 is discharged, to guarantee to fill
It sets and safely and efficiently runs.
And in order to ensure the oil level of scroll compressor 1 is at Safe Levels, it is shown in Figure 3, in each vortex
Fuel level sensor 9 or oil level switch are installed, the lower end of oil eliminator 8 is connected with oil-collecting packet 81, oil-collecting packet on formula compressor 1
81 are equipped with oil-feed port, which is connect by oil feed line with the suction end of scroll compressor 1, and in oil feed line
On be connected with for solenoid 82, controlled for solenoid 82 by the control system in electric cabinet 4.In this way, passing through oil-collecting packet 81
Setting make scroll compressor 1 be discharged oil concentrate there are in oil-collecting packet 81, oil quickly can be deposited into collection, work as oil level
When sensor 9 detects the oil level of some scroll compressor 1 lower than setting value (Safe Levels), control system is electric by fuel feeding
Magnet valve 82 is opened, and the oil deposited by collection in oil-collecting packet 81 is carried out repairing to scroll compressor 1, until oil level is higher than setting
Value, to maintain oil level to balance, it is ensured that the safety of scroll compressor 1.
It should also be noted that, in the description of the present invention unless specifically defined or limited otherwise, term " installation ",
" connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and replacement can also be made, these are improved and replacement
Also it should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of vortex water cooled chiller characterized by comprising scroll compressor that at least two groups are arranged in parallel,
Condenser, expansion valve, evaporator and electric cabinet；The scroll compressor, the condenser, the expansion valve and the steaming
It sends out device and closure series loop is formed by piping connection；Pressure gauge is provided on the electric cabinet；
Refrigerant is provided in the pipeline, the refrigerant is suitable for recycling in closure series loop；The evaporator has
First inlet and the first liquid outlet, first inlet are suitable for being connected with the water outlet of equipment is used, and described first goes out
Liquid mouth is suitable for being connected with the water inlet of equipment is used；The condenser has the second inlet and the second liquid outlet, and described the
Two inlets are suitable for being connected by water circulating pump with the water outlet of cooling tower, and second liquid outlet is suitable for passing through the recirculated water
Pump is connected with the water inlet of cooling tower；It is provided at first liquid outlet to detect the first liquid outlet fluid flow
Flow sensor, if the flow value that the flow sensor detects is less than or equal to metered flow value, the electric cabinet control
The scroll compressor part is made to close.
2. vortex water cooled chiller according to claim 1, which is characterized in that the vortex water cooled chiller
It further include the filter set between the condenser and the expansion valve, it is the scroll compressor, the condenser, described
Filter, the expansion valve connect to form closure series loop with the evaporator.
3. vortex water cooled chiller according to claim 2, which is characterized in that the scroll compressor with it is described
Be provided with gas-liquid separator between evaporator, the scroll compressor, the condenser, the filter, the expansion valve,
The evaporator connects to form closure series loop with the gas-liquid separator.
4. vortex water cooled chiller according to claim 3, which is characterized in that the scroll compressor with it is described
Oil eliminator, the scroll compressor, the oil eliminator, the condenser, the filter, institute are equipped between condenser
State expansion valve, the evaporator connects to form closure series loop with the gas-liquid separator.
5. vortex water cooled chiller according to claim 4, which is characterized in that pacify on each scroll compressor
Equipped with fuel level sensor, the lower end of the oil eliminator is connected with oil-collecting packet, and the oil-collecting is wrapped equipped with oil-feed port, the fuel feeding
Mouth is connect by oil feed line with the suction end of the scroll compressor, and fuel feeding electricity is connected on the oil feed line
Magnet valve, the fuel level sensor, it is described for solenoid by the electric cabinet control system control.
6. vortex water cooled chiller according to claim 2, which is characterized in that the filter and the expansion valve
Equipped at least two and quantity corresponds.
7. vortex water cooled chiller according to any one of claim 1 to 6, which is characterized in that the condenser
Lower end is set to chassis, and the upper end of condenser is equipped with bracket, and the evaporator is set on the bracket, and the electric cabinet is set to institute
State upper end of evaporator.
8. vortex water cooled chiller according to claim 1, which is characterized in that the condenser is shell-tube type condensation
Device or finned cooler；The evaporator is shell and tube evaporator.
9. vortex water cooled chiller according to claim 1, which is characterized in that the expansion valve is heating power expansion valve
Or electric expansion valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811127533.0A CN109442775A (en) | 2018-09-26 | 2018-09-26 | A kind of vortex water cooled chiller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811127533.0A CN109442775A (en) | 2018-09-26 | 2018-09-26 | A kind of vortex water cooled chiller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109442775A true CN109442775A (en) | 2019-03-08 |
Family
ID=65544350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811127533.0A Pending CN109442775A (en) | 2018-09-26 | 2018-09-26 | A kind of vortex water cooled chiller |
Country Status (1)
| Country | Link |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201724460U (en) * | 2010-07-08 | 2011-01-26 | 南京金陵冷冻器材有限公司 | Water cooling vortex parallel refrigerating unit |
| CN202149568U (en) * | 2011-06-24 | 2012-02-22 | 深圳市奥宇控制系统有限公司 | Cold-hot water set and central air-conditioning system |
| CN202284874U (en) * | 2011-09-16 | 2012-06-27 | 浙江思科国祥制冷设备有限公司 | Cold water unit system of parallelly-connected structure |
| CN103115452A (en) * | 2013-03-05 | 2013-05-22 | 昆山台佳机电有限公司 | Multi-compressor efficient type unit |
| CN205939800U (en) * | 2016-08-25 | 2017-02-08 | 浙江青风环境股份有限公司 | Vortex hydraulic filling formula cooling water set that connects in parallel |
| CN107036351A (en) * | 2017-04-28 | 2017-08-11 | 依米康冷元节能科技（上海）有限公司 | The control method and device of multi-machine heads handpiece Water Chilling Units |
-
2018
- 2018-09-26 CN CN201811127533.0A patent/CN109442775A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201724460U (en) * | 2010-07-08 | 2011-01-26 | 南京金陵冷冻器材有限公司 | Water cooling vortex parallel refrigerating unit |
| CN202149568U (en) * | 2011-06-24 | 2012-02-22 | 深圳市奥宇控制系统有限公司 | Cold-hot water set and central air-conditioning system |
| CN202284874U (en) * | 2011-09-16 | 2012-06-27 | 浙江思科国祥制冷设备有限公司 | Cold water unit system of parallelly-connected structure |
| CN103115452A (en) * | 2013-03-05 | 2013-05-22 | 昆山台佳机电有限公司 | Multi-compressor efficient type unit |
| CN205939800U (en) * | 2016-08-25 | 2017-02-08 | 浙江青风环境股份有限公司 | Vortex hydraulic filling formula cooling water set that connects in parallel |
| CN107036351A (en) * | 2017-04-28 | 2017-08-11 | 依米康冷元节能科技（上海）有限公司 | The control method and device of multi-machine heads handpiece Water Chilling Units |
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Application publication date: 20190308 |